your getting there! here's a check list:

1: title: assignment 3 lighting/focal point/depth of field/composition

2: link to site with a help guide on composition, focal point, depth of field, lighting
my example: http://www.photographymad.com/pages/view/10-top-photography-composition-rules

3: short definition

4: an image from the chosen from assignment 2 artists that demonstrate above

5: state how the artist image demonstrates: lighting/focal point/depth of field/composition

6: answer this for the artists image clearly headed:

• FACTUAL (a summary of who the photographer is and when - keep to facts)
• the CONTEXT (where is the photo in their body of work / show you understand how that photo fits with the rest of a group of work - what was the world like when it was made)
• TECHNICAL (how do you think it was created / any comments about cameras, lenses. lights etc - a technical how to comment)
• AESTHETIC (the look or style of it - what do you like about it - this is the sharing opinion bit)